Home / 6,937.12-10,393.20-3,813.76

Finding the Fourth Proportional to 6,937.12, 10,393.20 and 3,813.76

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Solution

The fourth proportional to 6,937.12, 10,393.20 and 3,813.76 is: 5,713.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,937.12 : 10,393.20 = 3,813.76 : x
  2. Step 2: Convert to fraction form
    6,937.12/10,393.20 = 3,813.76/x
  3. Step 3: Cross multiply
    6,937.12x = 10,393.20 × 3,813.76
  4. Step 4: Simplify right side
    6,937.12x = 39,637,170.43
  5. Step 5: Solve for x
    x = 39,637,170.43/6,937.12
  6. Step 6: Final answer
    x = 5,713.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.